28885738

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 54336960

約数和(自身を除く): 25451222

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 113, 133, 217, 226, 266, 434, 589, 791, 961, 1178, 1582, 1922, 2147, 3503, 4123, 4294, 6727, 7006, 8246, 13454, 15029, 18259, 24521, 30058, 36518, 49042, 66557, 108593, 127813, 133114, 217186, 255626, 465899, 760151, 931798, 1520302, 2063267, 4126534, 14442869, 28885738]

約数ペア:

[(1, 28885738), (2, 14442869), (7, 4126534), (14, 2063267), (19, 1520302), (31, 931798), (38, 760151), (62, 465899), (113, 255626), (133, 217186), (217, 133114), (226, 127813), (266, 108593), (434, 66557), (589, 49042), (791, 36518), (961, 30058), (1178, 24521), (1582, 18259), (1922, 15029), (2147, 13454), (3503, 8246), (4123, 7006), (4294, 6727)]